diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ca0e9f..1ff5897 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v5.0.13
+
+### Fix:
+
+    - Bring BN division fix from @glitchful-dev/sol-apy-sdk
+
 ## v5.0.12
 
 ### Chore:
diff --git a/package.json b/package.json
index 5ccc0e1..1e7fd42 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@marinade.finance/marinade-ts-sdk",
-  "version": "5.0.12",
+  "version": "5.0.13",
   "description": "Marinade SDK for Typescript",
   "main": "dist/src/index.js",
   "repository": {
diff --git a/src/util/conversion.ts b/src/util/conversion.ts
index 12a1265..b64328b 100644
--- a/src/util/conversion.ts
+++ b/src/util/conversion.ts
@@ -25,10 +25,15 @@ export function divideBnToNumber(numerator: BN, denominator: BN): number {
   if (denominator.isZero()) {
     return 0
   }
-  const quotient = numerator.div(denominator).toNumber()
+  const quotient = numerator.div(denominator)
   const rem = numerator.umod(denominator)
   const gcd = rem.gcd(denominator)
-  return quotient + rem.div(gcd).toNumber() / denominator.div(gcd).toNumber()
+
+  const quotientNumber = parseFloat(quotient.toString())
+  const remNumber = parseFloat(rem.div(gcd).toString())
+  const denominatorNumber = parseFloat(denominator.div(gcd).toString())
+
+  return quotientNumber + remNumber / denominatorNumber
 }
 
 export function calcLamportsWithdrawAmount(